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Hideouts, glaciers, rugged mountain terrain... that's where the Sirius II GTX thrives. This fully crampon-compatible alpine boot protects your feet with a strong, durable construction and provides good insulation to keep them warm.

The high rubber randal provides an extra layer of protection on top of the already very sturdy upper made of thick split leather. And the waterproof, breathable GORE-TEX lining protects against snow, slush and rain.

1. Fully compatible with crampons for alpine expeditions.
2. Rugged construction and well-insulated, down to -15°C.
3. Extra durable upper made of thick split leather and high rubber randal for extra protection.
4. Waterproof and breathable GORE-TEX lining for protection from snow and rain.

• Thermal insulation
• Rugged suede upper
• Padded soft leather cuff
• Waterproof and breathable GORE-TEX lining

Specifications:
Weight: 1940 g
Membrane: GORE-TEX
Material: suede
Outsole: Vibram® Alpin Light
Lining: GORE-TEX
Upper leather thickness: 2.4-2.6 mm